Science Quiz Questions and Answers for class 10

Which one of these is a communicate disease?

The colour of cow’s milk is slight yellow due to the presence of—

EEG records the activity of

The average heart beat rate per minute in a normal person is

Jaundice is caused due to the infection of –

Global warming is expected to result in—

Equator represents—

Which one of the following represents the lines joining the places of equal rainfall?

Fog is an example of—

White coal is

The device used to change the speed of an electric fan is

The fuel used in an atomic reactor is

Smog is a combination of

A kilowatt-hour is unit of

In severe winter, in cold countries water pipes burst because

The hair of shaving brush clings together when removed from water due to

Which gas does not form the part of atmosphere?

Ammonal is a mixture of

The compound to which H2 does not add is

Detergents clean surfaces on the principle of

Sea water can be purified by the process of

The process involved in making soap is

Which of the following does not belong to the solar system?

boy sitting in an open car moving with constant speed throws a ball straight up into the air. The ball falls

The number of satellites of the planet Mercury is

Spectacles used for viewing 3D films have

Which of the following circuit elements is used to ‘block’ DC in an electronic circuit?

In which vertebrate does oxygenated and deoxygenated blood get mixed?

The deficiency of Vitamin B causes

In which disease blood does not clot?

Which part of tongue bears cells for sour taste?

Mineral constituent of chlorophyll is

Maximum harm to a tree is caused by

Which of the following planets has the highest period of revolution around the sun?

The carbon dioxide content in the air that we exhale is about

Blood pressure is controlled by

Which is not an electric resistant?

Birds usually have a single

Vitamin E is particularly important for

The noble gas is.

Tetanus is caused by

Expansion during heating:

When a body is taken from the earth to the moon:

‘Threat of global warming’ is increasing due to increasing concentration of:

Most abundant element in maximum rocks is.

If the atmosphere is removed from the earth.

The brightest star in the sky is.

In which of the following chemical energy is converted into electrical energy?

Silicon dioxide is used in.

The rotational motion of earth is maximum at the.